皮皮学，免费搜题
登录
搜题
【简答题】
设函数 在x=1取得极大值2,则a= ,b=
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Greeting is a(n) _______ _______to a conversation when meeting people after some time.
A.
good subject
B.
proper start
C.
interesting beginning
D.
not necessary
【单选题】A client is about to have arterial blood gases drawn, and the nurse explains what an Allen's test is. What comment shows that the client understands the nurse's explanation?
A.
"Blood is drawn from the ulnar artery."
B.
"I know I have to lie down while blood is drawn."
C.
"This test is done to ensure adequate collateral circulation."
D.
"Direct pressure has to be placed over the site for 15 minutes after blood is drawn."
【简答题】A．Taking off his shoes. B．Washing his hands in a pool. C．Washing his hands in a stone basin. D．Bowing to the hosts.
【单选题】Impersonal conversation at a distance of two or three feet is normally appropriate for both South Americans and North Americans.
A.
Y
B.
N
C.
NG
相关题目：